make hidden head options available

casual style: make the head options 'alternate', 'details' and
'nodetails' available to the user. (previously they were hidden).

CHANGELOG

@@ -1,3 +1,10 @@
+Release: next
+- casual style: make the head options 'alternate', 'details' and 'nodetails' available to the user. (previously they were hidden).
+- fix Researcher ID (still) doesn't display Issue #29.
+- make options 'symbols' and 'nosymbols' available to all styles to toggle whether 
+  symbols should be used or not. Include symbols in oldstyle by default. 
+- migrate older newcommand syntax in moderncvcollection.sty to the xparse syntax.
+
 version 2.3.1 (2022-02-21)
 - Fix duplicate GitLab icon (#105)
 - Revert using detokenize in social links (#97)

moderncvstylecasual.sty

@@ -16,6 +16,12 @@
 \@initializecommand{\moderncvstyleheadoptions}{}
 \DeclareOption{left} {\edef\moderncvstyleheadoptions{\moderncvstyleheadoptions,left}}
 \DeclareOption{right}{\edef\moderncvstyleheadoptions{\moderncvstyleheadoptions,right}}
+% head options alternate, details and no details
+\DeclareOption{alternate}{\edef\moderncvstyleheadoptions{\moderncvstyleheadoptions,alternate}}
+\@initializeif{\if@datainhead}\@datainheadfalse
+\DeclareOption{details}{\@datainheadtrue\edef\moderncvstyleheadoptions{\moderncvstyleheadoptions,details}}
+\DeclareOption{nodetails}{\edef\moderncvstyleheadoptions{\moderncvstyleheadoptions,nodetails}}
+
 
 % toggle use of symbol fonts.
 \@initializeif{\if@symbols}\@symbolsfalse
@@ -23,7 +29,7 @@
 \DeclareOption{nosymbols}    {\@symbolsfalse}
 
 \DeclareOption*{}% avoid choking on unknown options
-\ExecuteOptions{right,symbols}
+\ExecuteOptions{right,symbols,nodetails}
 \ProcessOptions*\relax% \ProcessOptions* processes the options in the order provided (i.e., with the later ones possibly overriding the former ones), while \ProcessOptions processes them in the order of the package
 
 %-------------------------------------------------------------------------------
@@ -53,7 +59,13 @@
 %-------------------------------------------------------------------------------
 \moderncvhead[\moderncvstyleheadoptions]{2}
 \moderncvbody{1}
-\moderncvfoot{1}
+% include foot only if nodetails option is active since otherwise we have two times the information 
+% on the page
+\if@datainhead
+% if data is shown in head, do not include the footer
+\else
+  \moderncvfoot{1}
+\fi
 
 
 \endinput